HeptaclawA hollowed sphere with a 7-fold-symmetry. Another entry in the series that started with Rocket Twist.
HexashiftA Rex Cube in the shape of a Hexagonal Prism.
HexcopteroidA two-layered hexagonal prism with three different kinds of turns.
Hex�nglrA three-layered prism with 60�-turns at the four arms.
Hut 4x4x4A higher order cousin of the Uncanny Cube.
Hut 5x5x5An even higher order cousin of the Uncanny Cube.
Hyper CrystalliteDesigned to be the Ripple Rhombic Dodecahedron but without curved lines it can't be part of the series.